Tapered Roller Bearings - TDO (Tapered Double Outer) Imperial Timken 387-S - 384DC

Описание

The configuration of the TDO provides a wide effective bearing spread, making it ideal for applications in which overturning moments are a significant load component. TDO bearings can be used in fixed positions or allowed to float in the housing bore. Specifications Series 385 Cone Part Number 387-S Cup Part Number 384DC Design Unit Inch Cage Material Stamped Steel Dimensions d - Bore 2 1/4 in D - Cup Outer Diameter 3.937 in B - Cone Width 0.8640 in C - Double Cup Width 1.6875 in T - Bearing Width across Cones 2.0624 in Abutment and Fillet Dimensions R - Cone Backface "To Clear" Radius1 0.03 in r - Cup Backface "To Clear" Radius2 0.030 in db - Cone Backface Backing Diameter 2.52 in Da - Cup Frontface Backing Diameter 3.68 in Aa - Cage-Cone Backface Clearance 0.03 in a - Effective Center Location3 -0.12 in Basic Load Ratings C90 - Dynamic Radial Rating (One-Row, 90 million revolutions)4 6280 lbf C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions)5 42200 lbf C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions)6 10900 lbf Ca90- Dynamic Thrust Rating (90 million revolutions)7 3810 lbf Factors K - Factor8 1.65 e - ISO Factor9 0.35 Y1 - ISO Factor10 1.91 Y2 - ISO Factor11 2.84 Cg - Geometry Factor12 0.0859